package com.foreknow.dao;

import com.foreknow.bean.User;

/**
 * 接口作用：对 User操作的
 */
public interface UserDao {
    /**
     * 添加用户
     * @param user
     * @return
     */
    public boolean addUser(User user);

    /**
     * 根据uid删除用户
     * @param uid
     * @return
     */
    public boolean  deleteById(String uid);

    /**
     * 查询所有用户信息
     * @return
     */
    public User[] getQueryAll();

    /**
     * 根据uid查询
     * @param uid
     * @return
     */
    public User getQueryById(String uid);
}
